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W3150A Datasheet(PDF) 13 Page - WIZnet Co., Ltd |
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W3150A Datasheet(HTML) 13 Page - WIZnet Co., Ltd |
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13 / 69 page  - 12 - © Copyright 2006 WIZnet Co., Ltd. All rights reserved. 1.4. Power Supply Signal Description Pin# Signal I/O Description 2, 22, 38, 39, 58 VCC POSITIVE 3.3V SUPPLY PINS 28 VIN 1.8V power input 1.8V power supply 37 AVIN 1.8V Analog power input 1.8V power supply for analog circuit ; should be well decoupled. Refer Figure 1-1. Reference Schematic for Power input. 57 VOUT 1.8V power out Be sure to connect 10uF tantalum capacitor and a 0.1uF capacitor for noise de-coupling. Then connect this pin through a ferrite bead to VIN and AVIN. 3, 13, 23, 36, 45, 54 GND NEGATIVE (GROUND) SUPPLY PINS VOUT AVIN VIN + CP2 10uF L3 4.7uH C22 0.1uF + CP3 2.2uF C21 0.1uF Figure 1-1. Reference Schematic for Power input |
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